The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design.
Key Features
- Features 13-tooth upper and 19-tooth lower, aluminum pulley wheels with Grade 3 Silicon Nitride balls
- Robust cage crafted from polyamide and carbon fiber for durability and light weight
- Hardened steel bearing races
- Only compatible with Dura Ace 9100/9150 and Ultegra 8000-SS/8050-SS
- Not compatible with Ultegra 8000-GS or 8050-GS (medium cage) nor with the clutch equipped Ultegra RD RX800/RX805
Specifications
| Largest Cog |
32 |
| Fits Model |
Ultegra R8000-SS |
| Fits Model |
Ultegra R8050-SS/GS |
| Fits Model |
Dura-Ace R9100 |
| Fits Model |
Dura-Ace R9150 |
| Fits Brand |
Shimano |
| Drivetrain Speeds |
11 |
| Defined Color |
Black |
